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1. The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
- A. 100 km
- B. 100 km
- C. 100 km
- D. 100 km
Answer: Option C
Explanation:
ধরি, সতেজ ফল এবং শুল্ক ফলে পানি আছে যথাক্রমে 7x এবং 2x
2x = 50
x = 25
সতেজ ফলে পানি আছে = 7 × 25 = 175 kg
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